Home / 4,749,298.80-7,123,401.45-1,383,505.80

Finding the Fourth Proportional to 4,749,298.80, 7,123,401.45 and 1,383,505.80

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Solution

The fourth proportional to 4,749,298.80, 7,123,401.45 and 1,383,505.80 is: 2,075,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749,298.80 : 7,123,401.45 = 1,383,505.80 : x
  2. Step 2: Convert to fraction form
    4,749,298.80/7,123,401.45 = 1,383,505.80/x
  3. Step 3: Cross multiply
    4,749,298.80x = 7,123,401.45 × 1,383,505.80
  4. Step 4: Simplify right side
    4,749,298.80x = 9,855,267,221,803.41
  5. Step 5: Solve for x
    x = 9,855,267,221,803.41/4,749,298.80
  6. Step 6: Final answer
    x = 2,075,099.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.